Deposits (Summary Of Maturity Distribution Of All Certificates Of Deposit) (Details) $ in Thousands	Sep. 30, 2017 USD ($)
Deposits [Abstract]
Three months or less	$ 52,185
Three through six months	54,568
Six through twelve months	66,426
Over twelve months	265,855
Total	$ 439,034
Three months or less, percentage	11.90%
Three through six months, percentage	12.40%
Six through twelve months, percentage	15.10%
Over twelve months, percentage	60.60%
Total, percentage	100.00%